aplastic anemia

anatomy anemia aplastic biology blood bone cancer cell cells danger deficiency diagram differentiation disease diseases erythrocytes haematopoiesis haemopoiesis health hematopoiesis hemopoiesis human illustration immune leukocyte leukopenia lymphocyte lymphocytes marrow medical medicine neutrophil pancytopenia platelet platelets problem red reticulocyte science stem system thrombocytopenia vector white